herculis

[pusspuss]

25a, a stroke in a game of cricket that scores one run (6)

[Aquagility]

single

[pusspuss]

Aquagility many thanks

[columbus]

Whilst agreeing that this is probably the required answer, I am certain there is no such stroke as a single. You would take a quick single as the result of a stroke.

[Catron]

single
a hit for one run (Chambers)

stroke n, v
n
1CARESS, pat, rub
2BLOW, hit, knock, swipe, slap, thump, smack

A stroke is a hit - therefore the clue is correct.